Kepler-126 d

A confirmed exoplanet orbiting Kepler-126.

Compared with Earth

Size
About 2.5 times Earth's width.
Year
A year here lasts about 100 Earth days.

Planet

Radius
2.5 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
100.3 days
Average distance from its star
0.448 AU

Star

Host star
Kepler-126
Spectral class
F — yellow-white
Surface temperature
6,239 K
Radius
1.358 × Sun
Mass
Unknown
Age
Unknown

System

Distance from Earth
774.3 light-years (237.4 parsecs)
Stars in system
1
Known planets
3

Discovery

Year
2014
Method
Transit
Facility
Kepler

Data from the NASA Exoplanet Archive, synced October 14, 2026.